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List API keys

list_api_keys
Read-only

List the account's API keys (prefixes + status only — the full key is never returned after creation).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
dataNoOne row per key — id, name, the key prefix, status, last_used_at and created_at. Never the key itself.
metaNoPagination for the list — page, limit and the total row count.
successYesTrue when the call succeeded. A failure comes back as an error result instead.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "$schema": "http://json-schema.org/draft-07/schema#",
      +  "additionalProperties": false,
      +  "properties": {
      +    "data": {
      +      "description": "One row per key — id, name, the key prefix, status, last_used_at and created_at. Never the key itself.",
      +      "items": {},
      +      "type": "array"
      +    },
      +    "meta": {
      +      "additionalProperties": true,
      +      "description": "Pagination for the list — page, limit and the total row count.",
      +      "properties": {
      +        "limit": {
      +          "description": "Maximum rows per page.",
      +          "type": "number"
      +        },
      +        "page": {
      +          "description": "Zero-based index of the page returned.",
      +          "type": "number"
      +        },
      +        "total": {
      +          "description": "Total rows matching the query across all pages.",
      +          "type": "number"
      +        }
      +      },
      +      "type": "object"
      +    },
      +    "success": {
      +      "description": "True when the call succeeded. A failure comes back as an error result instead.",
      +      "type": "boolean"
      +    }
      +  },
      +  "required": [
      +    "success"
      +  ],
      +  "type": "object"
      +}
  2. First observed

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true and destructiveHint=false, so the agent knows it's safe. The description adds valuable context: only prefixes and status are returned, and the full key is never exposed after creation. This goes beyond the annotations and helps set expectations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, well-structured sentence. It front-loads the core action ('List the account's API keys') and appends a concise parenthetical clarification. Zero wasted words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The tool has no parameters and an output schema exists (as indicated by context). The description covers the core behavior and the critical limitation (full keys never returned). Combined with annotations that cover safety, an agent has everything needed to call it correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

There are zero parameters, so the description doesn't need to explain any. The schema is trivially covered (100%), and the baseline for 0 params is 4. The description adds no parameter info, but none is needed.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states the action (list), the resource (the account's API keys), and adds a key scoping detail (prefixes + status only, full key never returned). This distinguishes it from create/delete/revoke siblings and makes the tool's purpose unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description doesn't explicitly mention alternatives, but it's clear this is the listing operation for API keys. The limitation that full keys are never returned implicitly guides usage (don't expect full keys here). No exclusions are needed for such a straightforward read-only list tool.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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